20345+3759 BKO 569

Coord 2000	20345+3759		Discov num	BKO 569		Comp			Coord arcsec 2000	20 34 31.32 +37 58 38.1
Date first	1998		Date last	2015		Obs	9
Pa first	74		Pa last	73		P.A. Now (θ)	73°
Sep first	8.3		Sep last	8.5		Sep. Now (ρ)	8.5"
Mag pri	13.03		Mag sec	13.10		delta mag (ΔM)	0.07		Spectral class
Pri motion ra	-005		Sec motion ra	+010
Pri motion dec	-007		Sec motion dec	+013
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.524 This double is not physical.

Precise pa

72.8

Precise sep

8.472

Constellation

Cygnus

Gaia DR2

66243853312

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20345+3759	BKO 569		2008	1	75	8.4	13.03	13.10		N	203431.32+375838.1
20345+3759	BKO 569		2010	4	74	8.5	13.03	13.10		N	203431.32+375838.1
20345+3759	BKO 569		2015	5	73	8.5	13.03	13.10		N	203431.32+375838.1

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